A 58-year-old man came with progressive right-sided weakness, headaches and episodes of confusion since three weeks. There was history of seizures and blurring of vision.
Contrast enhanced CT scan of the brain shows an ill-defined, heterogeneous, peripherally enhancing lesion in the right frontal lobe and the body of the corpus callosum. It crosses the midline and involves the left cerebral hemisphere. There is dilatation of the left lateral ventricle and compression of the right